Watch case



FIG. 1 is a bottom plan view of a watch case showing my new design.

FIG. 2 is a top plan view;

FIG. 3 is a top right perspective view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a right side elevational view; and,

FIG. 7 is a left side elevational view. 

The ornamental design for a watch case, as shown and described. 